Simpson Strong-Tie Wood Construction Connectors

Simpson Strong-Tie ® Wood Construction Connectors

MASA/MASAP Mudsill Anchors (cont.)

These products are available with additional corrosion protection. For more information, see p. 14.

Fasteners (in.)

Allowable Loads

Concrete Connectors and Anchors

Uncracked

Cracked

Model No.

Code Ref.

Sill Size

SDC C–F 6

Wind and SDC A&B 5,6

SDC C–F 6

Sides

Top

Wind and SDC A&B 5,6

Uplift

F 1

F 2

Uplift

F 1

F 2

Uplift

F 1

F 2

Uplift

F 1

F 2

Standard Installation — Attached to DF/SP Sill Plate

2x4, x6, x8, x10 (3) 0.148 x 1 1/2 (6) 0.148 x 1 1/2 3x4, 3x6 (5) 0.148 x 1 1/2 (4) 0.148 x 1 1/2

920 1,475 1,095 745 1,235 1,045 750 1,475 875 660 1,235 765 IBC, FL, LA 630 1,165 725 550 1,020 725 475 1,165 725 415 1,020 640

MASA or MASAP

One-Leg-Up Installation — Attached to DF/SP Sill Plate and DF/SP Stud

2x4, x6, x8, x10 (6) 0.148 x 1 1/2 (3) 0.148 x 1 1/2 3x4, 3x6 (7) 0.148 x 1 1/2 (2) 0.148 x 1 1/2

755 965 995 660 845 995 570 965 930 500 845 810 IBC, FL, LA — 760 — — 665 — — 760 — — 665 —

MASA or MASAP

Two-Legs-Up Installation — Attached to DF/SP Sill Plate and Rimboard or Blocking

MASA or MASAP 2x4, x6, x8, x10, 3x4, 3x6 (9) 0.148 x 1 1/2 — 810 1,105 865 740 965 755 620 1,105 630 560 965 550 IBC, FL, LA Double 2x Installation — Attached to DF/SP Sill Plates MASA or MASAP Double 2x4, Double 2x6 (5) 0.148 x 1 1/2 (2) 0.148 x 1 1/2 840 1,030 785 735 900 785 635 1,030 785 555 900 785 IBC, FL, LA Standard Installation — Attached to Hem-Fir Sill Plate

2x4, x6, x8, x10 (3) 0.148 x 1 1/2 (6) 0.148 x 1 1/2 3x4, 3x6 (5) 0.148 x 1 1/2 (4) 0.148 x 1 1/2

790 1,250 940 640 1,060 900 650 1,250 755 570 1,060 660 — 535 1,005 625 475 875 625 410 1,005 625 355 875 550

MASA or MASAP

One-Leg-Up Installation — Attached to Hem-Fir Sill Plate and HF/SPF Stud

2x4, x6, x8, x10 (6) 0.148 x 1 1/2 (3) 0.148 x 1 1/2 3x4, 3x6 (7) 0.148 x 1 1/2 (2) 0.148 x 1 1/2

650 830 855 565 725 855 490 830 795 430 725 695 — — 670 — — 570 — — 670 — — 570 —

MASA or MASAP

Two-Legs-Up Installation — Attached to Hem-Fir Sill Plate and HF/SPF Rimboard or Blocking

MASA or MASAP 2x4, x6, x8, x10, 3x4, 3x6 (9) 0.148 x 1 1/2

— 700 950 745 635 830 650 545 950 540 480 830 475 —

Double 2x Installation — Attached to Hem-Fir Sill Plates MASA or MASAP Double 2x4, Double 2x6 (5) 0.148 x 1 1/2 (2) 0.148 x 1 1/2 720 890 675 630 775 675 545 890 675 475 775 675 — 1. Loads have been increased for wind or earthquake loading, with no further increase allowed. Reduce where other loads govern. 2. Concrete shall have a minimum compressive strength of f' c = 2,500 psi. 3. Allowable loads are based on a minimum stem wall width of 6". 4. For simultaneous loads in more than one direction, the connector must be evaluated using the Unity Equation, as described in General Instructions for the Designer. 5. Per Section 1613 of the 2012/2015/2018/2021 IBC, detached one- and two-family dwellings in SDC C may use the “Wind and SDC A&B” allowable loads. 6. For designs under the 2012/2015/2018/2021 IBC, sill plate size shall comply with the shearwall requirements of the 2015/2021 Special Design Provisions for Wind and Seismic. 7. Fasteners: Nail dimensions are listed diameter by length. See pp. 21–22 for fastener information.

Alternative Mudsill Anchor Installations

Alternate Installation for Rim Board or Blocking

Alternate Installation for Brick Ledges Full catalog loads apply.

Alternate Installation for Inside of Wall Continuity Full catalog loads apply.

Nail duplex nails into top of form board

Blocking required attached to sill with A35Z (not shown) or per designer

2x4 plate

C-C-2021 ©2021 SIMPSON STRONG-TIE COMPANY INC.

Alignment mark assures proper anchor locating

Step 1: Attach MASA 3 1 ⁄ 2 " from inside of form. After concrete cures, remove nails and bend straps up 90°.

Step 2: Place mudsill on concrete and nail MASA over mudsill. Not applicable to 2x6 and wider sill plates in SDC D-F.

1

2

Alternate MASA Installation for Brick Ledges

Maximum 1⁄2 " Sheathing

29